Improvement in vessels for inflammable liquids



UNITED STATES PATENT OFFICE.

MILTON CHASE `AND ALONZO W. CRAM, OF HAVEBHILL, MASSACHUSETTS.

IMPROVEMENT IN VESSELS FOR INFLAMMABLE LIQUIDS.

Specification forming part of Letters Patent No. 162,350, dated April20, 1875; application filed January 30, 1875. 1*'

To all whom t may concern:

Be it known that we, MILTON CHASE and ALONZO W. CRAM, both of Haverhill,in the county of Essex and State of Massachusetts, have invented certainImprovements in Vessels for Indammable Liquids, of which the followingis a full, clear, and exact description, reference being had to theaccompanying drawing and the letters ot' reference marked thereon,making part of this specilication, in which is represented a verticalsectional View of our improved vessel.

The object of our invention is to provide a vessel or can forinflammable liquids or mate rials, and in which all danger of theirexplosion, in consequence of a building or apartment burning` in whichthey are stored, is securely guarded against.

Our present invention is an improvement on the invention embraced in,and covered by, Letters .Patent of the United States issued to u'sAugust Ai, 1874, No. 153,702.

The nature of ourinvention consists in providing the vessel, and whichis coated or incased in a coveringv of some suitable non-conductingmaterial, with a safety-valve and spring-laucet.

The construction and operation of our invention are as follows: B is thevessel, and may be of' any desired form, and constructed of any suitablematerial. This vessel B is coated or inca-sed in some suitablenon-conducting material, D, so as to render the same, as it were,

hre-proof. This lire-proof coating D may be permanently attached to theouter wall ot' the vessel B, or so secured as to be detachable, and maybe protected by an outer jacket, constructed of iron or other suitablematerial. A is the pressure safety-valve, and is arranged at the uppersection ofthe vessel B, as clearly shown in the drawing, and which isdesigned to relieve the vessel from any over or undue the spring shallautomatically close the faucet and hold the same in a closed position.

From the foregoing' full and detailed description the operation of ourimprovement will readily be understood.

WVhat We claim, and ask Letters Patent of the United States for, is-

-1. The combination of the vessel B, having the detachable covering D,composed of a non conducting materia-1, and the safety-valve A,substantially as described, and for the purpose specified.

2. The combination ofthe vessel B, having the detachable covering D,composed of a nonconducting material, the safety-valve A, andspring-faucet C, the whole being constructed and arranged substantiallyas described, as and for the purpose specified.

3. A carrier for transporting inflammable liquids, consisting ot thevessel B, having a coating, D, ot' some suitable non-oonductingmaterial, wire-gauze shield F, safety-valve A,

and spring-faucet C, the whole being constructed and arranged to operatesubstantially as described.

In testimony whereotl We have signed our names to this specification inthe presence of two subscribing witnesses.

MILTON CHASE. ALONZO W. CRAM. Vitnesses H. G. PALFREY, D. C. BARTLETT.

